The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 14, 1976
Filed:
Sep. 30, 1975
Applicant:
Inventors:
Richard H Swartz, Gainesville, FL (US);
Richard J Pearce, Gainesville, FL (US);
James M Bowe, Gainesville, FL (US);
Assignee:
Driltech, Inc., Gainesville, FL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
173100 ; 81 523 ; 81 5716 ; 173164 ; 175 85 ; 166 775 ; 166315 ;
Abstract
Apparatus for holding and supporting a string of connected drill pipe sections which are suspended in a bore hole and for assisting in separating one drill pipe section from the string when the string is being disassembled.